HYBRID SURFACE MOUNTABLE PACKAGES FOR VERY HIGH SPEED INTEGRATED CIRCUITS
Granted: June 25, 2009
Application Number:
20090160583
In one example, a hybrid surface mountable package includes a housing at least partially defining a sealed cavity, two microwave integrated circuits (MIC) chips positioned inside the sealed cavity, and a very-high-speed interconnect connecting the two MIC chips to each other. The very-high-speed interconnect includes strong coupling co-planar waveguide (CPWG) transmission lines.
OPTIMIZING VCSEL MIRRORS FOR IMPROVING TEMPERATURE RESPONSE
Granted: June 25, 2009
Application Number:
20090161714
Improved slope efficiency in a VCSEL can be accomplished by selecting particular mirror layer compositions and/or mirror layer configurations that minimize increased reflectivity in the top mirror and/or maximize increased reflectivity of the bottom mirror with increasing temperature. Improved reflectivity of the bottom mirror compared to the top mirror over a desired operating temperature range can be facilitated by (i) selecting mirror pairs for the bottom and/or top mirror that gives…
VORTEX-BASED TEMPERATURE CONTROL SYSTEM AND METHOD
Granted: June 25, 2009
Application Number:
20090159715
A vortex-based temperature control system comprises a test chamber configured to receive a test article therein, a sensor disposed within the test chamber for detecting a temperature within the test chamber, a first vortex tube coupled to the test chamber for providing a heating airflow to the test chamber, and a second vortex tube coupled to the test chamber for providing a cooling airflow to the test chamber. The system also comprises a temperature controller coupled to the sensor and…
AVOIDING AIR FLOW PENETRATION IN TEMPERATURE MEASUREMENT
Granted: June 11, 2009
Application Number:
20090147820
In one example embodiment, a board for measuring device temperatures comprises a base and one or more fingers extending from the base. The base and the one or more fingers comprise a flexible material. One or more first temperature sensors are disposed on the one or more fingers. One or more second temperature sensors are disposed on the base. Each of the first and second temperature sensors comprises a partially thermally isolated temperature sensor.
LINE-SIDE OUT-OF-BAND ELECTRICAL INTERFACE FOR OPTOELECTRONIC MODULES
Granted: June 11, 2009
Application Number:
20090148106
Electrical connections from the printed circuit board (“PCB”) of an optoelectronic device through the front or line-side of the device enable a microcontroller or other component on the PCB to electrically communicate with an optical connector or other line-side device. The electrical connections can be integrated within a lead frame and trace structure providing mechanical support for the electrical connections and the PCB, with each electrical connection including a PCB-side…
THREAD LATERAL MOVEMENT SENSOR
Granted: June 4, 2009
Application Number:
20090141277
A system for detecting the lateral movement of thread in a textile manufacturing system is disclosed. The system includes an optical device configured to emit an optical signal. The optical device includes a resonant cavity. The system further includes a driver connected to the optical device. The driver configured to drive the optical signal. A mechanical guide is connected to the optical device. The mechanical guide is configured to receive a moving thread in a textile manufacturing…
OPTICAL TRANSCEIVER WITH VENDOR AUTHENTICATION
Granted: May 28, 2009
Application Number:
20090138709
An optical receiver comprising at least one processor and a memory including at least one of an encryption key or a decryption key and at least one of encryption microcode or decryption microcode that includes processor-executable instructions that, when executed by the at least one processor, cause the optical transceiver to perform the following: an act of performing an encryption or decryption operation on data received from a host computing system to thereby authenticate the optical…
OPTOELECTRONIC SUBASSEMBLY WITH INTEGRAL THERMOELECTRIC COOLER DRIVER
Granted: May 14, 2009
Application Number:
20090122493
Optical subassemblies including optical transmit and receive subassemblies. The optical subassemblies comprise a housing; a substrate mounted within the housing; a thermoelectric cooler (TEC) thermally coupled to the substrate, the TEC being mounted within the housing; an optical component structurally mounted on the substrate, wherein the optical component is thermally coupled to the TEC; and a TEC driver electrically coupled to the TEC, wherein the TEC driver is configured to…
INTEGRATED OPTICAL INTERCONNECT
Granted: May 14, 2009
Application Number:
20090123118
An integrated optical interconnect. The integrated optical interconnect includes a receptacle for connecting to a first external component. The receptacle includes an EMI shield with an aperture sized to allow transmission of an optical signal through the aperture while containing EMI within the receptacle. The integrated optical interconnect also includes a port injection molded around or within a portion of the receptacle, the port being configured to receive a second external…
PRINTED CIRCUIT BOARD ASSEMBLY CARRIER FOR AN OPTICAL ELECTRICAL DEVICE
Granted: May 14, 2009
Application Number:
20090123157
A printed circuit board assembly (PCBA) carrier for enclosing an optical transceiver PCBA. The PCBA carrier includes a base portion including one or more first connection members, the base portion being configured to receive an optical transceiver PCBA and a top portion including one or more second connection members configured to couple to the first connection members to thereby secure the top portion to the base portion, the top portion being configured to reside above the optical…
PROTOCOLS FOR OUT-OF-BAND COMMUNICATION
Granted: May 7, 2009
Application Number:
20090116846
Methods for managing an optical network through out-of-band communication between optical transceiver modules in a heterogeneous network fabric are disclosed. The disclosed methods include methods for performing fabric discovery, communicating error messages, detecting intrusion. Methods are also disclosed for communicating between transceivers of differing protocol versions and memory capacity.
RECEPTACLE WITH MULTIPLE CONTACT SETS FOR DIFFERENT CONNECTOR TYPES
Granted: April 30, 2009
Application Number:
20090111331
A receptacle that is configured to receive connectors of different types. If a connector of one type is received into the receptacle, the connector contacts engage one set of receptacle contacts. If a connector of another type is received into the receptacle, the connector contacts engage another set of receptacle contacts, and so forth for potentially other connector types and other contact sets. A communication system may also control which PHY circuitry communicates with the…
Optical Communications System
Granted: April 16, 2009
Application Number:
20090097850
In an optical communications link, an optical system including: at least a first input port for delivering an optical signal travelling in the communications link, the optical signal including a plurality of wavelength channels, the channels being utilized for carrying optical information over an optical data link; a dispersive element for spatially separating the wavelength channels; an active optical-phase element; and a plurality of optical manipulation elements for directing the…
PROTECTING AGAINST COUNTERFEIT ELECTRONIC DEVICES
Granted: April 16, 2009
Application Number:
20090100502
An embodiment of the invention includes a method of authenticating a second device connected to a first device. The method includes transmitting a first data string from the first device to the second device and receiving a second data string at the first device from the second device. The method also includes generating a third data string using an alteration key at the first device and comparing the third data string and either the first data string or the second data string. The…
MONOLITHIC SHELL FOR AN OPTICAL ELECTRICAL DEVICE
Granted: April 9, 2009
Application Number:
20090092399
An optoelectronic transceiver module. The optoelectronic module is a monolithic, one-piece module shell that includes a top portion, a bottom portion, a first side portion, a second side portion, and a front portion. The top portion, bottom portion, first side portion, second side portion and the front portion define a cavity configured to enclose electro-optical circuitry. In addition, the top portion and the bottom portion are configured such that the top portion is not separable from…
RADIO FREQUENCY IDENTIFIERS FOR PROVIDING USER ACCESS TO COMPUTING RESOURCES
Granted: April 2, 2009
Application Number:
20090089885
A system for controlling access to computing resources including an authentication device operatively associated with a computing device, the authentication device being configured to transmit an interrogation signal to a predetermined area. A computing device has at least one software application resides thereon. A wireless license device is configured to transmit license information to the authentication device in response to the interrogation signal and to allow the software…
Periodic Detection Of Location Of Portable Articles Using An RFID System
Granted: March 26, 2009
Application Number:
20090079544
A system for tracking network devices includes a host computing device, a radio frequency identification (RFID) tag secured to at least one of the network devices, and a reader configured to communicate with the RFID tag to receive device parameters from the RFID tag, the reader being configured to transmit the device parameters to the host computing device.
TASK SCHEDULING OF FIBER-OPTIC TRANSCEIVER FIRMWARE
Granted: March 26, 2009
Application Number:
20090083755
Systems and methods for optimizing the task scheduling efficiency of firmware and/or software associated with optoelectronic transceiver devices. In one example, a scheduling module executes microcode that schedules tasks based on the operational parameters. The scheduling module compares operational parameters with their last known values and then flags necessary tasks to be initiated. The scheduling module flags only those tasks that rely on a particular operational parameter and only…
DBR laser with improved thermal tuning effciency
Granted: March 19, 2009
Application Number:
20090074020
A distributed Bragg reflector (DBR) includes a base substrate and a gain medium formed on the base substrate. A waveguide positioned above the base substrate in optical communication with the gain medium and defines a gap extending between the base substrate and the waveguide along a substantial portion of the length thereof. The waveguide may have a grating formed therein. A heating element is in thermal contact with the waveguide and electrically coupled to a controller configured to…
SURFACE WARP RESISTANT OPTICAL DEVICES
Granted: March 19, 2009
Application Number:
20090074357
In at least one example, an optical component includes a central optical surface proximate an optical axis, a peripheral portion extending radially from the central optical surface, and a stepped portion between the central optical surface and the peripheral portion. The stepped portion may be formed to raise the central optical surface above the peripheral portion.
